<!DOCTYPE html>
<html>

<head>
    <title>你好</title>
    <meta charset="UTF-8">
    <link rel="stylesheet" href="one.css">
    <style>
       
    </style>
</head>

<body>
    <h1 id="one">你好</h1>
    
    <!-- <p style="background-color: blue;text-align: center;height: 100px;">内联样式。</p> -->
    <a href="2.html">
        <p>你好<span>java</span></p>
        <p class="namecss">1313520</p>
    </a>



</html>